Un Imposible A Tu Medida

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ1500409
CopyrightID (CopyrightChains transaction hash)
0x864f4faa5a8c533f71929b0a0e04a9655e24adcf47dc494deab09f003b421a27
Copyright registration time
2026-06-01T22:42:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:727aecfcc2b4fe722c1dad7a4cc1150d51e63142a9fe4011302d3fb594b4baf7

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.